Table 3.
Mixed models predicting weekly changes in weight.
| Predictor variables | Model 1 | Model 2 | Model 3 | Model 4 | ||||
|
|
B (SE) | P | B (SE) | P | B (SE) | P | B (SE) | P |
| Fixed effects |
|
|
|
|
|
|
|
|
| Fixed intercept | 187.1 (0.5011) | <.001 | 187.1 (0.5011) | <.001 | 187.1 (0.5011) | <.001 | 187.1 (0.5011) | <.001 |
| Time | –0.2817 (0.0059) | <.001 | –0.2817 (0.0059) | <.001 | –0.2817 (0.0059) | <.001 | –0.2816 (0.0059) | <.001 |
| Quadratic time | 0.0016 (0.0000) | <.001 | 0.0016 (0.00002) | <.001 | 0.0016 (0.0000) | <.001 | 0.0016 (0.0000) | <.001 |
| Word count | –0.0004 (0.0002) | .03 | –0.0002 (0.0003) | .62 | –0.0001 (0.0004) | .76 | –0.0008 (0.0004) | .07 |
| Model 1 |
|
|
|
|
|
|
|
|
| Health | –0.0153 (0.0139) | .27 |
|
|
|
|
|
|
| Ingestion | –0.0002 (0.0096) | .98 |
|
|
|
|
|
|
| Biology | 0.0112 (0.0106) | .29 |
|
|
|
|
|
|
| Model 2 |
|
|
|
|
|
|
|
|
| Positive emotion |
|
|
0.0069 (0.0083) | .41 |
|
|
|
|
| Negative emotion |
|
|
–0.0068 (0.0097) | .48 |
|
|
|
|
| Model 3 |
|
|
|
|
|
|
|
|
| Social process |
|
|
|
|
–0.0028 (0.0034) | .40 |
|
|
| Past-tense verbs |
|
|
|
|
–0.0164 (0.0061) | .007 |
|
|
| Certainty |
|
|
|
|
–0.0126 (0.0157) | .42 |
|
|
| Exclusion |
|
|
|
|
0.0148 (0.0082) | .07 |
|
|
| Third-person sing |
|
|
|
|
0.0202 (0.0134) | .13 |
|
|
| Model 4 |
|
|
|
|
|
|
|
|
| Conjunction |
|
|
|
|
|
|
0.0203 (0.0063) | .001 |
| Motion |
|
|
|
|
|
|
–0.0191 (0.0084) | .02 |
| Past tense |
|
|
|
|
|
|
–0.0109 (0.0056) | .05 |
| Random effects |
|
|
|
|
|
|
|
|
| Linear time | 0.121 (0.003) | <.001 | 0.121 (0.003) | <.001 | 0.121 (0.003) | <.001 | 0.121 (0.003) | <.001 |
| Random intercept | 1994.6 (31.7) | <.001 | 1994.5 (31.7) | <.001 | 1994.5 (31.7) | <.001 | 1994.5 (31.7) | <.001 |
| Residual | 16.4 (0.082) | <.001 | 16.4 (0.082) | <.001 | 16.4 (0.082) | <.001 | 16.4 (0.082) | <.001 |